On 03/07/2014 01:59 AM, Stephen Warren wrote:
> On 03/04/2014 04:31 AM, Wei Ni wrote:
>> Add dt node to describe the thermal zone for the nct1008.
>
>> diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
>
>> + thermal-zones {
>> + nct1008-local {
>> + polling-delay-passive = <2000>; /* milliseconds */
>> + polling-delay = <0>; /* milliseconds */
>
> A delay of 0 implies that software continually polls this zone, thus
> consuming an entire CPU. Is this really what you want?
No, if this delay is 0, the driver will not run polling queue, but just
cancel it.
>
>> +
>> + thermal-sensors = <&nct1008 0>;
>> + };
>
> This zone (and the other) is missing the required (per the binding
> documentation) trips and cooling-maps sub-nodes.
Eduardo,
Are the trips and cooling-maps required properties ?
I think if miss these sub-nodes, the thermal zone device also can work,
and in the of-thermal framework, it doesn't handle them as required
property either.
>
> I've also sent a query in response to the thermal-zones binding so see
> whether or not it can be fixed so that software doesn't bind against the
> node name, but rather against a compatible property like almost
> everything else. Let's see what the response is there before reposting
> this patch.
Sure.
Thanks.
Wei.
>
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